0.51 ct crystal opal 6.6×5.1×2.3mm$1,200.00 USD USD AUD Out of stock SKU: A22B31 Category: Crystal Opal Opal Specifications Additional information Weight 0.51 ct Dimensions 6.6 × 5.1 × 2.3 mm Body Tone Dark N6 Brightness Vivid B5 Cut Oval Dome Medium Dome Opal Origin Lightning Ridge Predominant Colors Green, Orange Product Enquiry